gs gs106 Caching, Debugging and Animation - JavaScript Web Workers - Quiz No.1
gs gs106 Javascript Quiz
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Question 1: Which of the following is one of the fundamental features of JavaScript?
Single-threaded
Multi-threaded
Both Single-threaded and Multi-threaded
Simple-threaded
Question 2: Which of the following functions are synchronous?
load()
require()
both load() and require()
create()
Question 3: Why shouldn’t JavaScript functions not be too long?
User friendliness
Tie up event loops
Browser becomes unresponsive
All of the mentioned
Question 4: The object that looks to the thread that creates it is _______________
Window
Worker
Element
Hash
Question 5: Which of the following is a global object for a new worker?
WorkerGlobalScope
Worker
WorkerScope
Window
Question 6: Which will be invoked to create a new worker?
Function
Destructor
Constructor
Interface
Question 7: What will happen if you specify an absolute URL in the Worker constructor?
Resolves itself
Must have the same origin
Must not have the same origin
Specify the address
Question 8: How can you send data using a Worker object?
postMessage()
sendMessage()
Message()
post()
Question 9: Which property is used to manage multiple event handlers?
onmessage
onerror
both onmessage and onerror
postmessage
Question 10: Which is the function that allows a worker to terminate itself?
close()
exit()
terminate()
halt()
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